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GO-Cu7S4 catalyzed ortho-aminomethylation of phenol derivatives with N,N-dimethylbenzylamines: Site-selective oxidative CDC

Abstract

Copper chalcogenide nanoparticles (Cu7S4) supported on graphene oxide (GO) have been synthesized for the first time from Cu2S, and used as highly efficient heterogeneous catalyst for oxidative ortho-selective C-H aminomethylation of phenols with N,N-dimethylbenzylamines. The NPs (30-80 nm) have been characterized by HRTEM, SEM-EDX, PXRD, FTIR, Raman, ICP-AES and XPS analysis. The NP catalyzed sp2-sp3 cross dehydrogenative coupling (CDC) features broad substrate scope, excellent functional group tolerance, high yields, use of inexpensive and reusable copper catalyst, mild conditions, and no need for pre-functionalization of substrates.

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Supplementary files

Publication details

The article was received on 26 Apr 2018, accepted on 04 Jun 2018 and first published on 06 Jun 2018


Article type: Communication
DOI: 10.1039/C8CC03396J
Citation: Chem. Commun., 2018, Accepted Manuscript
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    GO-Cu7S4 catalyzed ortho-aminomethylation of phenol derivatives with N,N-dimethylbenzylamines: Site-selective oxidative CDC

    S. Gupta, N. Chandna, P. Dubey, A. K. Singh and N. Jain, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC03396J

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